When it's pointed out that "fat has more calorie per gram than carbohydrate or protein," nobody seems to care that this doesn't seem to make it particularly easy to stick to a low fat diet. Research scientists repeat this statement all the time in various articles, with nothing to back it up but "common sense." Things are not true because they're obvious, they're true because they're true.

Where do people look then? They look for compliance issues, try to find someway to trick people into being happy with less. Eating foods with fatty texture/mouth feel but no fat. Have you tried eating with smaller utensils, off of tiny little plates? Maybe living in a micro-home will work (doesn't that work for goldfish or something)? Eat slowly, or if you think you're hungry, try pretending that you're eating something. Eat mindfully, pretend parsley on rice cakes becomes more instead of less satisfying if you pay more attention to it.

But if you're hoping to make low carb work, expect everybody to tell you about how it can't work, and if it did, you wouldn't stick to it, and if you do, you'll die if you don't kill the planet first.